core/async_event.h

   1 #ifndef CORE_EVENT_H
   2 #define CORE_EVENT_H
   3
   4 #include "almalloc.h"
   5
   6 struct EffectState;
   7
   8 using uint = unsigned int;
   9
  10
  11 struct AsyncEvent {
  12     enum : uint {
  13         /* End event thread processing. */
  14         KillThread = 0,
  15
  16         /* User event types. */
  17         SourceStateChange = 1<<0,
  18         BufferCompleted   = 1<<1,
  19         Disconnected      = 1<<2,
  20
  21         /* Internal events. */
  22         ReleaseEffectState = 65536,
  23     };
  24
  25     enum class SrcState {
  26         Reset,
  27         Stop,
  28         Play,
  29         Pause
  30     };
  31
  32     uint EnumType{0u};
  33     union {
  34         char dummy;
  35         struct {
  36             uint id;
  37             SrcState state;
  38         } srcstate;
  39         struct {
  40             uint id;
  41             uint count;
  42         } bufcomp;
  43         struct {
  44             char msg[244];
  45         } disconnect;
  46         EffectState *mEffectState;
  47     } u{};
  48
  49     AsyncEvent() noexcept = default;
  50     constexpr AsyncEvent(uint type) noexcept : EnumType{type} { }
  51
  52     DISABLE_ALLOC()
  53 };
  54
  55 #endif